(n): Typically referred to by it's acronym alone (PVPP) - The period of time after a vacation in which one pays dearly for taking said vacation. Often lasting longer than vacation itself, it manifests in the form of jet lag, depression, overflowing inboxes, excess house/yard work, bank account drain, etc,.

1. Jen: "Should we ask Sue to go to the movie too?" Mary:"No, she's in Post Vacation Penalty Period/PVPP for at least another week"

2."He doesn't seem at all rested from his trip. Must be a near fatal case of PVPP"